<?php

// utility functions


/**
     * Copy file or folder from source to destination, it can do
     * recursive copy as well and is very smart
     * It recursively creates the dest file or directory path if there weren't exists
     * Situtaions :
     * - Src:/home/test/file.txt ,Dst:/home/test/b ,Result:/home/test/b -> If source was file copy file.txt name with b as name to destination
     * - Src:/home/test/file.txt ,Dst:/home/test/b/ ,Result:/home/test/b/file.txt -> If source was file Creates b directory if does not exsits and copy file.txt into it
     * - Src:/home/test ,Dst:/home/ ,Result:/home/test/** -> If source was directory copy test directory and all of its content into dest     
     * - Src:/home/test/ ,Dst:/home/ ,Result:/home/**-> if source was direcotry copy its content to dest
     * - Src:/home/test ,Dst:/home/test2 ,Result:/home/test2/** -> if source was directoy copy it and its content to dest with test2 as name
     * - Src:/home/test/ ,Dst:/home/test2 ,Result:->/home/test2/** if source was directoy copy it and its content to dest with test2 as name
     * @todo
     *     - Should have rollback technique so it can undo the copy when it wasn't successful
     *  - Auto destination technique should be possible to turn off
     *  - Supporting callback function
     *  - May prevent some issues on shared enviroments : http://us3.php.net/umask
     * @param $source //file or folder
     * @param $dest ///file or folder
     * @param $options //folderPermission,filePermission
     * @return boolean
     */
    function smartCopy($source, $dest, $options=array('folderPermission'=>0755,'filePermission'=>0755))
    {
        $result=false;
       
        if (is_file($source)) {
            if ($dest[strlen($dest)-1]=='/') {
                if (!file_exists($dest)) {
                    cmfcDirectory::makeAll($dest,$options['folderPermission'],true);
                }
                $__dest=$dest."/".basename($source);
            } else {
                $__dest=$dest;
            }
            $result=copy($source, $__dest);
            chmod($__dest,$options['filePermission']);
           
        } elseif(is_dir($source)) {
            if ($dest[strlen($dest)-1]=='/') {
                if ($source[strlen($source)-1]=='/') {
                    //Copy only contents
                } else {
                    //Change parent itself and its contents
                    $dest=$dest.basename($source);
                    @mkdir($dest);
                    chmod($dest,$options['filePermission']);
                }
            } else {
                if ($source[strlen($source)-1]=='/') {
                    //Copy parent directory with new name and all its content
                    @mkdir($dest,$options['folderPermission']);
                    chmod($dest,$options['filePermission']);
                } else {
                    //Copy parent directory with new name and all its content
                    @mkdir($dest,$options['folderPermission']);
                    chmod($dest,$options['filePermission']);
                }
            }

            $dirHandle=opendir($source);
            while($file=readdir($dirHandle))
            {
                if($file!="." && $file!="..")
                {
                     if(!is_dir($source."/".$file)) {
                        $__dest=$dest."/".$file;
                    } else {
                        $__dest=$dest."/".$file;
                    }
                    //echo "$source/$file ||| $__dest<br />";
                    $result=smartCopy($source."/".$file, $__dest, $options);
                }
            }
            closedir($dirHandle);
           
        } else {
            $result=false;
        }
        return $result;
    } 

function deepcopy($dirsource, $dirdest) 
{ // recursive function to copy 
  // all subdirectories and contents: 
  if(is_dir($dirsource))$dir_handle=opendir($dirsource); 
  mkdir($dirdest."/".$dirsource, 0750); 
  while($file=readdir($dir_handle)) 
  { 
    if($file!="." && $file!="..") 
    { 
      if(!is_dir($dirsource."/".$file)) copy ($dirsource."/".$file, $dirdest."/".$dirsource."/".$file); 
      else deepcopy($dirsource."/".$file, $dirdest); 
    } 
  } 
  closedir($dir_handle); 
  return true; 
}



?>
